<html>
    <head>
        <meta charset="utf-8">
        <title>首页</title>
    </head>
    <body>
        <h5>登录成功</h5>
        <div>
            <form method="get" action="/logout">
                <button type="submit">Logout</button>
            </form>
        </div>
    </body>
</html>